A walkway structure for a tank container

Abstract

The application discloses a kind of tank container walkway structures, including triangular support assembly, through length channel steel, through length angle steel, U-shaped bending piece, short angle steel I, short angle steel II, longitudinal walkway, transverse walkway, end support piece I, end support piece II and L-shaped bending piece;Triangular support assembly is welded as main force component using overflow box side wall, and through length angle steel, U-shaped bending piece and through length channel steel group welding piece walkway installation mode are set on it.The walkway structure of the application does not need upper side beam, so it is not limited by tank structure, and because upper side beam is reduced, the dead weight of tank is reduced;For tank structure without upper side beam and with thermal insulation, when support piece welded on tank body extends out of thermal insulation shell, the strength of thermal insulation shell is reduced, the manufacturing difficulty is great, and the thermal insulation performance of tank is reduced, etc.The walkway structure of the application has the advantages of strong universality, high structural stability, light weight, no need to open hole for thermal insulation shell, easy to form manufacturing, etc.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of tank container walkway structure. BACKGROUND

[0002] Tank container is a kind of transport carrier capable of loading cargo, is the main transport mode of modern chemical logistics, with the advantages of safety, environmental protection, economy, efficiency etc., and can meet the multimodal transport.Walkway is located at the top of tank container platform, it is convenient for user to carry out top loading and unloading operation.The existing tank container walkway is usually supported by the support welded on the inner side of the frame upper side beam, then the walkway is fastened with the support by bolt;Or support structure is welded on the tank body, then the walkway is connected with the support structure by bolt. Figure 1 The common walkway structure cross-sectional view of tank container with upper side beam is shown in Fig. Figure 1 The walkway structure includes upper side beam 1-1 and walkway support 1-2 at the inner end of upper side beam 1-1, and walkway 1-3;Walkway support 1-2 is welded at the inner end of upper side beam 1-1, and walkway 1-3 is located on the upper surface of walkway support 1-2, and walkway 1-3 is connected with walkway support 1-2 by fastener bolt, washer and nut;For the above arrangement of tank container walkway structure, the tank must have upper side beam, so the structure of tank is limited, and for the tank which requires to expand load and reduce self weight, the existence of upper side beam will also cause the increase of tank self weight and cost, which is not conducive to the lightweight and economy of the product, and is not conducive to market competition. Figure 2 The common walkway structure cross-sectional view of tank container without upper side beam is shown in Fig. Figure 2 The tank container includes cylinder body 2-1 and walkway support 2-2 on the cylinder body 2-1, and walkway 2-3;Walkway support 2-2 is welded on the outer surface of cylinder body 2-1, and walkway 2-3 is located on the upper surface of walkway support 2-2, and walkway 2-3 is connected with walkway support 2-2 by fastener bolt, washer and nut;For the above arrangement of tank container walkway structure, walkway support is directly welded on the outer surface of cylinder, but when the tank has thermal insulation material and thermal insulation shell, walkway support needs to pass through the thermal insulation material and thermal insulation shell on the outer surface of cylinder, and the opening of thermal insulation shell and the connection between walkway support are sealed with sealant;It will bring the following new problems:(1) stress concentration occurs at the opening of thermal insulation shell, which reduces the strength of thermal insulation shell;(2) walkway support 2 has poor metal heat insulation, and the gap between walkway support 2 and thermal insulation shell cannot be effectively and reliably sealed, which will cause the decline of tank insulation performance;(3) the opening of metal support passing through the thermal insulation shell has great manufacturing difficulty, and the forming quality is not beautiful.In addition, for the slender cylinder of tank, the gap between cylinder and the top of tank frame is large, so the height of walkway support is high, which causes the distance between stress point and support point too far, which is not conducive to the strength and stiffness of walkway, and reduces the safety of product. SUMMARY

[0003] In view of the deficiencies in the prior art, the purpose of the present application is to provide a tank container walkway structure, which welds a triangular support structure on the side of the overflow box as the main load-bearing component of the walkway, so that the tank container does not need to be provided with an upper side beam and avoids opening holes on the thermal insulation shell; and has the advantages of light self-weight, good thermal insulation performance, and beautiful forming quality.

[0004] To solve the above technical problems, the present application adopts the following technical solutions:

[0005] A tank container walkway structure, which comprises a tank container and a plurality of overflow boxes on the top of the tank container, and the plurality of overflow boxes are arranged along the longitudinal direction of the tank container; the tank container walkway structure comprises a triangular support assembly, a full-length channel steel, a full-length angle steel, a U-shaped bent piece, a short angle steel I, a short angle steel II, a longitudinal walkway, a transverse walkway, an end support I, an end support II, and an L-shaped bent piece.

[0006] The triangular support assembly comprises a horizontal piece and an inclined piece, one end of the horizontal piece and one end of the inclined piece are connected at a top corner part, and the other end of the horizontal piece and the other end of the inclined piece are both fixed on the overflow box; the triangular support assembly is fixed on the front wall and the rear wall of the overflow box, two groups of triangular support assemblies are symmetrically arranged at both ends of the front wall of the overflow box, and two groups of triangular support assemblies are symmetrically arranged at both ends of the rear wall of the overflow box.

[0007] The full-length channel steel and the full-length angle steel are both welded on the horizontal piece of the triangular support assembly, the full-length channel steel and the full-length angle steel are parallel to each other and are arranged along the longitudinal direction of the tank container, the full-length channel steel is located in the middle of the horizontal piece, and the full-length angle steel is close to the top corner part of the triangular support assembly.

[0008] The U-shaped bent piece is connected between the full-length channel steel and the full-length angle steel, and the top parts of the full-length channel steel, the U-shaped bent piece, and the full-length angle steel are flush.

[0009] The short angle steel I is fixed on the side wall of the full-length channel steel close to the center of the tank container, and the upper surface of the short angle steel I is flush with the top part of the full-length channel steel.

[0010] The longitudinal walkway is installed on the upper surfaces of the U-shaped bent piece and the full-length angle steel, and the transverse walkway is installed on the short angle steel I, and one short angle steel I is arranged at each corner of the transverse walkway.

[0011] The present application also includes the following technical features:

[0012] Specifically, the end part of the full-length channel steel is connected with the end support I welded on the lower surface of the upper end beam of the tank container through a bolt.

[0013] Specifically, the full-length angle steel is welded with the L-shaped bent piece welded at the top corner part of the triangular support assembly to form a mouth-shaped cross section.

[0014] The L-shaped bending part is supported by the end support part II welded to the inner end surface of the corner column of the tank container;

[0015] The end portion of the full-length angle steel, the L-shaped bending member and the end support member II are connected by bolts.

[0016] Specifically, the triangular support assembly and the overflow box are welded.

[0017] Specifically, the longitudinal walkway is connected to the U-shaped bending part and the full-length angle steel through bolts; the transverse walkway and the short angle steel I are connected through bolts.

[0018] Specifically, the short angle steel I is welded to the full-length channel steel.

[0019] Specifically, the short angle steel II is welded and fixed on the side wall of the full-length channel steel near the full-length angle steel, and the upper surface of the short angle steel II is flush with the top of the full-length channel steel; the lower surface of the middle part of the longitudinal walkway near one end of the full-length channel steel is supported by the short angle steel II, and the two are connected by bolts.

[0020] Compared with the prior art, the present invention has the following technical effects:

[0021] The walkway structure of the present invention does not require an upper side beam, so it is not restricted by the tank container structure, and since the upper side beam is reduced, the tank container's own weight is reduced; taking the preferred structural example of the present invention as an example, the walkway structure adopts the overflow box side wall welded triangular support assembly as the main load-bearing component, and the walkway installation method in which full-length angle steel, U-shaped bending parts and full-length channel steel assembly weldments are arranged thereon is reduced by at least 88KG compared to the walkway structure with the upper side beam as the main load-bearing component of the walkway.

[0022] The triangular support assembly of the present invention is welded from standard hot-rolled steel sections, such as angle steel or channel steel, and has the advantages of uniform size and specification and high structural stability. Experimental verification shows that after the triangular support assembly is welded to the side wall of the overflow box, the welded parts (full-length angle steel, U-shaped bending parts and full-length channel steel welded parts) welded to its upper end face and the structure after the walkway is installed can meet the national standard requirements of bearing a load of 300kg on an area of ​​300mmX600mm.

[0023] The walkway structure of the present invention utilizes welded triangular supports on the side walls of the overflow box as its primary load-bearing components. For insulated tank containers without upper side beams, this avoids the problems of welded supports extending beyond the insulation shell, which can reduce the shell's strength, increase manufacturing complexity, and reduce the tank container's thermal insulation performance. Consequently, the walkway structure of the present invention offers advantages such as high versatility, high structural stability, low weight, and ease of molding and manufacturing, without requiring holes in the insulation shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1This is a cross-sectional view of a commonly used walkway structure for a tank container with upper side beams in the prior art.

[0025] Figure 2 This is a cross-sectional view of a commonly used walkway structure for a tank container without an upper side beam in the prior art.

[0026] Figure 3 It is a top view of the walkway structure of the present invention.

[0027] Figure 4 for Figure 3 A magnified partial view along line AA.

[0028] Figure 5 for Figure 3 A local enlarged view along the B direction.

[0029] Figure 6 for Figure 3 A magnified partial cross-sectional view along line CC.

[0030] Figure 7 for Figure 3 A partial enlarged view along the D direction.

[0031] The meaning of each number in the figure is:

[0032] 100. Overflow box, 200. Upper end beam, 300. Corner column; 1. Triangular support assembly, 2. Full-length channel steel, 3. Full-length angle steel, 4. U-shaped bending part, 5. Short angle steel I, 6. Short angle steel II, 7. Longitudinal walkway, 8. Transverse walkway, 9. End support part I, 10. End support part II, 11. L-shaped bending part, 101. Horizontal part, 102. Diagonal part. DETAILED DESCRIPTION

[0033] Specific embodiments of the present invention are given below. It should be noted that the present invention is not limited to the following specific embodiments, and all equivalent modifications made on the basis of the technical solution of this application fall within the protection scope of the present invention.

[0034] Example 1:

[0035] like Figures 3 to 7 As shown, this embodiment provides a tank container walkway structure, which includes a tank container and multiple overflow boxes 100 on the top of the tank container, and the multiple overflow boxes 100 are arranged longitudinally along the tank container; the tank container walkway structure includes a triangular support assembly 1, a full-length channel steel 2, a full-length angle steel 3, a U-shaped bending part 4, a short angle steel I5, a short angle steel II6, a longitudinal walkway 7, a transverse walkway 8, an end support part I9, an end support part II10 and an L-shaped bending part 11.

[0036] The triangular support assembly 1 comprises a horizontal piece 101 and an inclined piece 102, one end of the horizontal piece 101 and one end of the inclined piece 102 are connected at a top corner, the other end of the horizontal piece 101 and the other end of the inclined piece 102 are both fixed on the overflow box 100; the triangular support assembly 1 is fixed on the front wall and the rear wall of the overflow box 100, two groups of triangular support assemblies 1 are symmetrically arranged at the two ends of the front wall of the overflow box 100, and two groups of triangular support assemblies 1 are symmetrically arranged at the two ends of the rear wall of the overflow box 100, that is, four triangular support assemblies are arranged on each overflow box, and the horizontal pieces of the triangular support assemblies are all horizontal and close to the top of the overflow box.

[0037] The through-length channel steel 2 and the through-length angle steel 3 are both welded on the horizontal piece 101 of the triangular support assembly 1, the through-length channel steel 2 and the through-length angle steel 3 are parallel to each other and are arranged along the longitudinal direction of the tank, the through-length channel steel 2 is located in the middle of the horizontal piece 101, and the through-length angle steel 3 is close to the top corner of the triangular support assembly 1.

[0038] The U-shaped bent piece 4 is connected between the through-length channel steel 2 and the through-length angle steel 3, and the top of the through-length channel steel 2, the U-shaped bent piece 4 and the through-length angle steel 3 is flush.

[0039] The short angle steel I 5 is fixed on the side wall of the through-length channel steel 2 close to the center of the tank, and the upper surface of the short angle steel I 5 is flush with the top of the through-length channel steel 2.

[0040] The longitudinal walkway 7 is installed on the upper surfaces of the U-shaped bent piece 4 and the through-length angle steel 3; the transverse walkway 8 is installed on the short angle steel I 5, and one short angle steel I 5 is arranged at each corner of the transverse walkway 8.

[0041] The end of the through-length channel steel 2 is connected with the end support piece I 9 welded on the lower surface of the upper end beam 200 of the tank by bolts.

[0042] The through-length angle steel 3 is welded with the L-shaped bent piece 11 welded at the top corner of the triangular support assembly 1 to form a mouth-shaped cross section;

[0043] The L-shaped bent piece 11 is supported by the end support piece II 10 welded on the inner end surface of the corner column 300 of the tank;

[0044] The end of the through-length angle steel 3, the L-shaped bent piece 11 and the end support piece II 10 are connected by bolts.

[0045] The triangular support assembly 1 and the overflow box 100 are welded.

[0046] The longitudinal walkway 7 is connected with the U-shaped bent piece 4 and the through-length angle steel 3 by bolts; the transverse walkway 8 and the short angle steel I 5 are connected by bolts.

[0047] The short angle steel I 5 is welded with the through-length channel steel 2.

[0048] Short angle steel II 6 is welded and fixed on the side wall of the through channel steel 2 close to the through channel steel 3, and the upper surface of the short angle steel II 6 is flush with the top of the through channel steel 2; the longitudinal walkway 7 is supported by the short angle steel II 6 close to the lower surface of the middle part of one end of the through channel steel 2, and the two are connected by bolts.

[0049] The two ends of the U-shaped bending piece are respectively welded and fixed with the side wall of the through channel steel and the through channel steel.

[0050] The L-shaped bending piece is welded and fixed at the contact position of the top end part of the triangular support assembly, and the top part of the L-shaped bending piece is located on the lower side of the through channel steel, the outer facade is flush with the outer end of the through channel steel to form a mouth-shaped cross section, and the contact position of the top end is welded and fixed.

[0051] After the bolts, gaskets and nuts are fastened, the nuts and bolts are spot-welded and fixed.

[0052] The triangular support assembly of the present application is composed of standard hot-rolled steel, such as angle steel or channel steel, and has the advantages of uniform size, high structural stability, etc. Through test verification, after the triangular support assembly is welded with the side wall of the overflow box, the welded components (through channel steel, U-shaped bending piece and channel steel welded components) welded on the upper end face and the structure after the installation of the walkway can meet the requirement of the national standard that the load of 300 kg is borne on the area of 300 mm X 600 mm.

[0053] The preferred embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the specific details in the above-described embodiments, and various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application.

[0054] In addition, it should be noted that each specific technical feature described in the above-described specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, various possible combinations are not described again in the present application.

[0055] In addition, various different embodiments of the present application can also be combined in any manner, as long as it does not deviate from the idea of the present application, and it should be considered as disclosed content of the present application.

Claims

1. A tank container platform structure, comprising a tank container and a plurality of overflow boxes (100) on the top of the tank container, wherein the plurality of overflow boxes (100) are arranged longitudinally along the tank container; characterized in that: The tank container platform structure includes a triangular support assembly (1), a full-length channel steel (2), a full-length angle steel (3), a U-shaped bending member (4), a short angle steel I (5), a short angle steel II (6), a longitudinal walkway (7), a transverse walkway (8), an end support member I (9), an end support member II (10) and an L-shaped bending member (11); The triangular support assembly (1) comprises a horizontal piece (101) and an oblique piece (102), one end of the horizontal piece (101) and one end of the oblique piece (102) are connected at a top corner, and the other end of the horizontal piece (101) and the other end of the oblique piece (102) are both fixed to the overflow box (100); the triangular support assembly (1) is fixed to the front wall and the rear wall of the overflow box (100), two groups of triangular support assemblies (1) are symmetrically provided at both ends of the front wall of the overflow box (100), and two groups of triangular support assemblies (1) are symmetrically provided at both ends of the rear wall of the overflow box (100); The full-length channel steel (2) and the full-length angle steel (3) are both welded to the horizontal piece (101) of the triangular support assembly (1). The full-length channel steel (2) and the full-length angle steel (3) are parallel to each other and are arranged along the longitudinal direction of the tank container. The full-length channel steel (2) is located in the middle of the horizontal piece (101), and the full-length angle steel (3) is close to the top corner of the triangular support assembly (1). The U-shaped bending part (4) is connected between the full-length channel steel (2) and the full-length angle steel (3), and the tops of the full-length channel steel (2), the U-shaped bending part (4) and the full-length angle steel (3) are flush; The short angle steel I (5) is fixed on the side wall of the full-length channel steel (2) near the center of the tank container, and the upper surface of the short angle steel I (5) is flush with the top of the full-length channel steel (2); The longitudinal walkway (7) is installed on the upper surface of the U-shaped bending part (4) and the full-length angle steel (3); the transverse walkway (8) is installed on the short angle steel I (5), and a short angle steel I (5) is provided at each of the four corners of the transverse walkway (8); The full-length angle steel (3) is welded to the L-shaped bending piece (11) welded to the top corner of the triangular support assembly (1) to form a U-shaped cross section; The L-shaped bending member (11) is supported by an end support member II (10) welded to the inner end surface of the corner column (300) of the tank container; The end of the full-length angle steel (3), the L-shaped bending member (11) and the end support member II (10) are connected by bolts; The triangular support assembly (1) and the overflow box (100) are welded.

2. The tank container walkway structure according to claim 1, characterized in that: The end of the full-length channel steel (2) is connected to the end support member I (9) welded to the lower surface of the upper end beam (200) of the tank box by bolts.

3. The tank container platform structure according to claim 1, characterized in that: The longitudinal walkway (7) is connected to the U-shaped bending part (4) and the full-length angle steel (3) through bolts; and the transverse walkway (8) is connected to the short angle steel I (5) through bolts.

4. The tank container walkway structure according to claim 1, characterized in that: The short angle steel I (5) is welded to the full-length channel steel (2).

5. The tank container walkway structure according to claim 1, characterized in that: The short angle steel II (6) is welded and fixed to the side wall of the full-length channel steel (2) near the full-length angle steel (3), and the upper surface of the short angle steel II (6) is flush with the top of the full-length channel steel (2); the lower surface of the middle part of one end of the longitudinal walkway (7) near the full-length channel steel (2) is supported by the short angle steel II (6), and the two are connected by bolts.

Images